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Re:The Rate of Return on Everything, 1870–2015 [pdf] by kruhft on Friday January 05, 2018 @11:11AM (#16079435)
Theory is an 'efficient' market model. Practice is not. Reminds me of the old joke:

An Efficient Market Theorist sees a $100 lying on the ground, and passes it by saying "If that existed, someone else would have picked it up by now!".

Re:The Rate of Return on Everything, 1870–2015 [pdf] by FabHK on Friday January 05, 2018 @07:13PM (#16082915)
> An Efficient Market Theorist

Milton Friedman, in the apocryphal story. And back in my days it was $20 :-)